Home / 9,108.68-13,669.50-3,916.04

Finding the Fourth Proportional to 9,108.68, 13,669.50 and 3,916.04

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Solution

The fourth proportional to 9,108.68, 13,669.50 and 3,916.04 is: 5,876.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,108.68 : 13,669.50 = 3,916.04 : x
  2. Step 2: Convert to fraction form
    9,108.68/13,669.50 = 3,916.04/x
  3. Step 3: Cross multiply
    9,108.68x = 13,669.50 × 3,916.04
  4. Step 4: Simplify right side
    9,108.68x = 53,530,308.78
  5. Step 5: Solve for x
    x = 53,530,308.78/9,108.68
  6. Step 6: Final answer
    x = 5,876.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.